<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
测试
{% for v in videos %}
    {{ MEDIA_URL }}{{ v.content }}
    <video src="{{ MEDIA_URL }}{{ v.content }}"
    controls></video>
{% endfor %}
</body>
</html>